demo_inversion.py

"""ILI9341 demo (inversion)."""
from time import sleep
from ili9341 import Display, color565
from machine import Pin, SPI  # type: ignore


def test():
    """Test code."""
    # Baud rate of 40000000 seems about the max
    spi = SPI(1, baudrate=40000000, sck=Pin(14), mosi=Pin(13))
    display = Display(spi, dc=Pin(4), cs=Pin(16), rst=Pin(17))

    display.clear()
    display.fill_rectangle(4, 4, display.width // 3, display.height // 4,
                           color565(255, 0, 0))
    display.fill_polygon(3, display.width // 2, display.height // 2,
                         display.height // 8, color565(0, 255, 0), rotate=15)
    display.fill_circle(display.width - (display.width // 4),
                        display.height - (display.height // 5),
                        display.height // 6, color565(0, 0, 255))
    display.draw_image('images/Python41x49.raw', display.width - 49, 0, 41, 49)

    sleep(2)
    display.invert()

    sleep(5)
    display.invert(False)

    sleep(2)
    display.cleanup()


test()